NPPES file of Aug 9, 2026

Mark J. Ridenour, DDS

Oral and Maxillofacial Surgery (Dentist) · Oshkosh, WI

Mark J. Ridenour, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Oshkosh, Wisconsin, and NPI 1265630636, issued on Jul 6, 2007. Check the license (Wisconsin 6044-15, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265630636
Name
Mark J. Ridenour
Credential
DDS
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
6044-15 WI
Self-reported in NPPES; status is on the state search
Practice location
1875 W Pointe Dr, Oshkosh, WI 54902
Phone
(920) 231-4600
Enumerated
Jul 6, 2007
Record last updated
Jul 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1875 W Pointe Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jerad Servais, DDSOral and Maxillofacial Surgery (Dentist)1306337670

Verify Mark J. Ridenour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 6044-15
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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36% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

551 Medicare Part D claims for 302 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 197 claims were for opioids.

  1. Mark Ridenour551
  2. Specialty average406

Most prescribed

  1. Amoxicillin184 claims
  2. Tramadol Hcl155 claims
  3. Azithromycin60 claims
  4. Chlorhexidine Gluconate53 claims
  5. Hydrocodone-Acetaminophen33 claims
  6. Penicillin V Potassium28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Mark J. Ridenour among 155 oral and maxillofacial surgery (dentist) records in Wisconsin

Mark J. Ridenour, DDS is one of 155 oral and maxillofacial surgery (dentist) records with a practice address in Wisconsin. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.

  • NPI issued2007 · 55% of these records are older, 34% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2011 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Wisconsin

There are 155 oral and maxillofacial surgery (dentist) records in Wisconsin.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Christopher McFarlane, D.D.S.Oshkosh, WI 549021043266927
  2. Michael McFarlane, D.D.S.Oshkosh, WI 549021295782555
  3. Jerad Servais, DDSOshkosh, WI 549021306337670
  4. Thomas Tabachnick, DDSAppleton, WI 549111871666065
  5. David Anderson, DDS, MDAppleton, WI 549131619061546
  6. Mark Norland, DDSAppleton, WI 549131932735214
  7. Henry Plautz, DDSAppleton, WI 549131376637579
  8. John Rydlewicz, D.D.S.Appleton, WI 549131992895031

Common questions

What is Mark J. Ridenour, DDS's NPI number?

Mark J. Ridenour, DDS's National Provider Identifier (NPI) is 1265630636, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark J. Ridenour, DDS located?

The NPPES record lists a practice address at 1875 W Pointe Dr, Oshkosh, WI, 54902. Phone: (920) 231-4600. Providers update this record themselves, so call before visiting.

How can I verify Mark J. Ridenour, DDS's license?

NPPES lists Wisconsin license number 6044-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mark J. Ridenour, DDS prescribe under Medicare Part D?

In 2024, Mark J. Ridenour, DDS had 551 Medicare Part D claims for 302 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.